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15 November, 07:33

The domain of 1x) = 2x2 + 4x - 1 is

The range of 1x) = 2x2 + 4x - 1 is

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  1. 15 November, 07:57
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    Step-by-step explanation:

    f (x) = 2x²+4x-1

    =2 (x²+2x+1-1) - 1

    =2 (x²+2x+1) - 2-1

    =2 (x+1) ²-3

    domain: all real values

    Range:[-3,∞)
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